<html>
<head>
</head>
<body>
<form>
	<select id="rl">
		<option value="http://www.google.com">Google</option>
		<option value="http://www.yahoo.com">Yahoo</option>
	</select>
	<input type="button" value="go" id="goo"/>
</form>
<script type="text/javascript">
	var rl = document.getElementById("rl");
	var goo = document.getElementById("goo");
	goo.onclick = function (){
		window.location = rl.options[rl.selectedIndex].value;	
	}
</script>
</body>
</html>
